Professional⦁Integrity⦁Quality
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J02-262
簡介: 一.圓形分數說明教具1.材質:硬質泡棉(紅綠兩面)安全性教具2.直徑20cm,1/2、1/3、1/4、1/5共十種3.可分解成各種分數,並可吸附於黑板上方便教學二.正方形分數說明教具1.材質:硬質泡棉(紅綠兩面)安全性教具2.邊長20×20cm,包括1/1、1/2、1/3、1/4、1/6、1/8共六種組合,可分解成各種分數,並可吸附黑板,方便教學3.附一體成型保管箱
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